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Finding the Fourth Proportional to 228,020.90, 314,592.12 and 147,550.23

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Solution

The fourth proportional to 228,020.90, 314,592.12 and 147,550.23 is: 203,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,020.90 : 314,592.12 = 147,550.23 : x
  2. Step 2: Convert to fraction form
    228,020.90/314,592.12 = 147,550.23/x
  3. Step 3: Cross multiply
    228,020.90x = 314,592.12 × 147,550.23
  4. Step 4: Simplify right side
    228,020.90x = 46,418,139,662.19
  5. Step 5: Solve for x
    x = 46,418,139,662.19/228,020.90
  6. Step 6: Final answer
    x = 203,569.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.